Refraction Of Light Video Lessons

Concept

# Problem: Which of the following values represents an index of refraction of an actual material?  A. 0  B. .25  C. .5  D. 1.25

###### FREE Expert Solution

Index of refraction is always expressed as:

$\overline{){\mathbf{\eta }}{\mathbf{=}}\frac{\mathbf{c}}{\mathbf{v}}}$, where c is the velocity of light in vacuum and v is the velocity of light in the medium.

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###### Problem Details

Which of the following values represents an index of refraction of an actual material?
A. 0
B. .25
C. .5
D. 1.25